PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13966Muffler,exhaust

Spx Fluid Power · NSN 2990-01-425-6588 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-425-6588 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-425-6588. Primary manufacturer part number: 13966.
Features
  • Muffler,exhaust — FSC 2990
  • Overall Diameter: 3.000 INCHES NOMINAL IN
  • Body Shape: ROUND
  • 1 verified cross-reference
  • Primary manufacturer: Spx Fluid Power
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-425-6588, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Spx Fluid Power. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-425-6588
Primary Part Number13966
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerSpx Fluid Power
StatusACTIVE
Overall Diameter3.000 INCHES NOMINAL IN
Body ShapeROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4320-00-215-797239435-1S INTERCHANGEABLE
Diaphragm Assembly
R. D. Miners, Inc Dba Ray Burner Co
5930-00-224-566713966 INTERCHANGEABLE
Switch,push-Pull
Camdec Corp
3020-00-231-1968 INTERCHANGEABLE
Pulley,leveling
6145-00-548-1258 INTERCHANGEABLE
Cable,power,electrical
3110-01-155-4440J-2416 INTERCHANGEABLE
Bearing,roller,needle
Jtekt Bearings North America Llc Div Kbna - Ord 1
5980-01-177-03403-3959 INTERCHANGEABLE
Holder,photoelectric Cell
American Hofmann Corp
5950-01-243-071413966 INTERCHANGEABLE
Transformer,power
Magnespec Inc
6520-01-376-461713966 INTERCHANGEABLE
Point Assortment,pulp Canal,dent
Kerr Corporation
2590-01-616-670713966 INTERCHANGEABLE
Bracket,vehicular Components
DP Manufacturing Inc.
Cross-Reference Index
Part NumberManufacturer
13966 PRIMARY Spx Fluid Power (USA)
Related Parts
4320-00-215-7972INTERCHANGEABLE
DIAPHRAGM ASSEMBLY
39435-1S
5930-00-224-5667INTERCHANGEABLE
SWITCH,PUSH-PULL
13966
3020-00-231-1968INTERCHANGEABLE
PULLEY,LEVELING
6145-00-548-1258INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
3110-01-155-4440INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
J-2416
5980-01-177-0340INTERCHANGEABLE
HOLDER,PHOTOELECTRIC CELL
3-3959
5950-01-243-0714INTERCHANGEABLE
TRANSFORMER,POWER
13966
6520-01-376-4617INTERCHANGEABLE
POINT ASSORTMENT,PULP CANAL,DENT
13966
2590-01-616-6707INTERCHANGEABLE
BRACKET,VEHICULAR COMPONENTS
13966

Frequently Asked Questions

What is NSN 2990-01-425-6588?

NSN 2990-01-425-6588 is a Muffler,exhaust, manufactured by Spx Fluid Power, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-425-6588?

NSN 2990-01-425-6588 has 1 cross-referenced part number: 13966 (Spx Fluid Power).

What NSN replaces 2990-01-425-6588?

There are 9 known substitutes for 2990-01-425-6588: 4320-00-215-7972, 5930-00-224-5667, 3020-00-231-1968 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13966?

Key specifications for 13966: Overall Diameter: 3.000 INCHES NOMINAL IN; Body Shape: ROUND; Overall Length: 3.000 INCHES NOMINAL IN; End Item Identification: 5130013310151. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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